/*
 * Copyright 2007-2008 Michele Mostarda ( michele.mostarda@gmail.com ).
 * All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.asemantics.anthill;

import org.apache.tools.ant.Project;
import org.asemantics.anthill.chatconsole.ChatConsoleOutputStream;
import org.asemantics.anthill.chatconsole.Command;

/**
 * The End request.
 */
public class End extends RemoteOperation implements Command {

    public End() {
    }

    public CommandMessage prepareMessageInternal() {
        EndCommandMessage command = new EndCommandMessage(EndCommandMessage.NO_PARAMETERS);
        return command;
    }

    public CommandResponseMessage processCommand(CommandListenerTask clt, CommandMessage commandMessage) {
        clt.notifyMainThread();
        return new EndCommandResponseMessage();
    }

    public boolean execute(CommandListenerTask clt, ChatConsoleOutputStream chatConsole, String commandName, String[] arguments) {
        try {
            clt.notifyMainThread();
            chatConsole.println("Listener successfully closed.");
            return true;
        } catch (Throwable t) {
            chatConsole.println("An error occurred while closing listener: " + t.getMessage());
            return false;
        }
    }

    public void processResult(CommanderTask commanderTask, CommandResponseMessage response) {
        commanderTask.log("Remote listener ended.", Project.MSG_INFO);
    }
}
